<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>会员注册页面</title>
	<%-- 静态包含头部信息--%>
	<%@include file="/pages/common/header.jsp"%>

	<script type="text/javascript">
		$(function () {

			$("#username").blur(function () {
				var username = this.value;
				$.getJSON("http://localhost:8080/book/userServlet", "action=ajaxExistsUsername&username=" + username, function (data) {
					var userExists = data.existsUsername;
					if(userExists) {
						$("span.errorMsg").text("用户名已存在!")
					} else {
						$("span.errorMsg").text("用户名可用!")
					}
				});
			})

			$("#sub_btn").click(function () {
				// 验证用户名： 必须由字母，数字下划线组成，并且长度为 5 到 12 位
				var usernameText = $("#username").val();
				var usernamepatt = /^\w{5,12}$/;
				if(!usernamepatt.test(usernameText)) {
					$("span.errorMsg").text("用户名不合法!")
					return false;
				}
				$("span.errorMsg").text("")

				// 验证密码： 必须由字母， 数字下划线组成， 并且长度为 5 到 12 位
				var passwordText = $("#password").val();
				var passwordpatt = /^\w{5,12}$/;
				if(!passwordpatt.test(passwordText)) {
					$("span.errorMsg").text("密码不合法!")
					return false;
				}
				$("span.errorMsg").text("")

				// 验证确认密码： 和密码相同
				var repPwd = $("#repwd").val();
				if(repPwd != passwordText) {
					$("span.errorMsg").text("两次输入的密码不一致!")
					return false;
				}

				// 邮箱验证： xxxxx@xxx.com
				var emailText = $("#email").val();
				var emailPatt = /^[a-z\d]+(\.[a-z\d]+)*@([\da-z](-[\da-z])?)+(\.{1,2}[a-z]+)+$/;  // 邮箱的格式 xxxxx@xxx.com
				if(!emailPatt.test(emailText)) {
					$("span.errorMsg").text("邮箱格式不合法!")
					return false;
				}

				// 验证码不为空
				var codeText = $("#code").val();
				// 去掉 codeText 前后的空格
				var codeText = $.trim(codeText);
				if(codeText == "" || codeText == null) {
					$("span.errorMsg").text("验证码为空!")
					return false;
				}
			})

			// 点击 验证码图片，切换验证码
			$("#code_img").click(function () {
				this.src = "${basePath}kaptcha.jpg?temp=" + new Date();
			})

		})


	</script>

<style type="text/css">
	.login_form{
		height:420px;
		margin-top: 25px;
	}

</style>
</head>
<body>
		<div id="login_header">
			<img class="logo_img" alt="" src="static/img/logo.gif" >
		</div>

			<div class="login_banner">

				<div id="l_content">
					<span class="login_word">欢迎注册</span>
				</div>

				<div id="content">
					<div class="login_form">
						<div class="login_box">
							<div class="tit">
								<h1>注册会员</h1>
								<span class="errorMsg">
									<%--<%=request.getAttribute("msg") == null? "":request.getAttribute("msg")%>--%>
									${ empty requestScope.msg ? "": requestScope.msg}
								</span>
							</div>
							<div class="form">
								<form action="userServlet" method="post">
									<%-- 给form表单添加隐藏域 --%>
									<input type="hidden" name="action" value="regist">
									<label>用户名称：</label>
									<input class="itxt" type="text" placeholder="请输入用户名" autocomplete="off" tabindex="1" name="username" id="username"
									<%--value="<%=request.getAttribute("username") == null? "":request.getAttribute("username")%>"/>--%>
									value="${requestScope.username}" />
									<br />
									<br />
									<label>用户密码：</label>
									<input class="itxt" type="password" placeholder="请输入密码" autocomplete="off" tabindex="1" name="password" id="password" />
									<br />
									<br />
									<label>确认密码：</label>
									<input class="itxt" type="password" placeholder="确认密码" autocomplete="off" tabindex="1" name="repwd" id="repwd" />
									<br />
									<br />
									<label>电子邮件：</label>
									<input class="itxt" type="text" placeholder="请输入邮箱地址" autocomplete="off" tabindex="1" name="email" id="email"
									<%--value="<%=request.getAttribute("email") == null? "":request.getAttribute("email")%>"/>--%>
									value="${requestScope.email}" />
									<br />
									<br />
									<label>验证码：</label>
									<input class="itxt" type="text" style="width: 110px;" name="code" id="code"/>
									<img id="code_img" alt="" src="kaptcha.jpg" style="float: right; margin-right: 40px; width: 110px; height: 30px">
									<br />
									<br />
									<input type="submit" value="注册" id="sub_btn" />

								</form>
							</div>

						</div>
					</div>
				</div>
			</div>
		<%--静态包含页脚信息--%>
		<%@include file="/pages/common/footer.jsp"%>
</body>
</html>